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python

What is the purpose of the word ‘self’?

August 22, 2022 by Magenaut

What is the purpose of the self word in Python? I understand it refers to the specific object instance created from that class. But why does it explicitly need to be added to every function as a parameter? To illustrate, in Ruby I can do this:

Categories Python, Q&A Tags class, oop, python, self Leave a comment

Accessing the index in ‘for’ loops

August 22, 2022 by Magenaut

How do I access the index in a for loop?

Categories Python, Q&A Tags list, loops, python Leave a comment

How do you append to a file?

August 22, 2022 by Magenaut

How do you append to the file instead of overwriting it? Is there a special function that appends to the file?

Categories Python, Q&A Tags append, file, python Leave a comment

List of lists changes reflected across sublists unexpectedly

August 22, 2022 by Magenaut

I created a list of lists:

Categories Python, Q&A Tags list, mutable, nested-lists, python Leave a comment

What is the meaning of single and double underscore before an object name?

August 22, 2022 by Magenaut

Can someone please explain the exact meaning of having single and double leading underscores before an object’s name in Python, and the difference between both?

Categories Python, Q&A Tags identifier, naming-conventions, oop, python Leave a comment

Convert a String representation of a Dictionary to a dictionary?

August 22, 2022 by Magenaut

How can I convert the str representation of a dict, such as the following string, into a dict?

Categories Python, Q&A Tags dictionary, python, string Leave a comment

String formatting: % vs. .format vs. f-string literal

August 22, 2022 by Magenaut

Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. Which is better and for what situations?

Categories Python, Q&A Tags f-string, logging, performance, python, string-formatting Leave a comment

How to make good reproducible pandas examples

August 22, 2022 by Magenaut

do include small* example DataFrame, either as runnable code:

Categories Python, Q&A Tags pandas, python Leave a comment

UnboundLocalError on local variable when reassigned after first use

August 22, 2022 by Magenaut

The following code works as expected in both Python 2.5 and 3.0:

Categories Python, Q&A Tags python, scope, variables Leave a comment

How to plot in multiple subplots

August 22, 2022 by Magenaut

I am a little confused about how this code works:

Categories Python, Q&A Tags matplotlib, pandas, python, seaborn, subplot Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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